package jdbc;

import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;

/**
 * 执行删除操作
 */
public class Demo4 {
    public static void main(String[] args) {
        try (
                //Connection接口也继承了AutoCloseable接口：因此也可以使用异常的自动关闭特性
                Connection connection = DBUtil.getConnection();
                ) {
            //Connection connection = DBUtil.getConnection();
            Statement statement = connection.createStatement();
            String sql = "DELETE FROM user WHERE id=1 ";
            int num = statement.executeUpdate(sql);
            System.out.println(num>0?"删除成功":"删除失败");
            //connection.close();
        } catch (SQLException e) {
            e.getStackTrace();
        }


    }
}
